Abstract
The kinetic study on sophorolipids (SLs) production by Candida catenulata from glucose, raw sunflower soapstock was investigated at different initial concentrations ranging from 0 to 100 g L−1. The Monod model with a maximum specific growth rate (μ max) of 0.0167 h−1 and half-saturation coefficient (K S ) of 6.91 g L−1 best described the cell growth kinetics of C. catenulata on glucose. The best-fitted constants of the Monod model for raw sunflower soapstock were μ max = 0.0157 h−1 and K S = 16.01 g L−1. Determination of Luedeking-Piret constants indicated SLs mainly produced as an associated growth product in the systems. Dynamic features of the fermentation were modeled using the obtained constants and results showed the prediction power of the developed model in describing the behavior of the process. Also, a modified kinetic model was developed for the dynamic modeling of the dual carbon sources system.
Acknowledgments
The authors would like to thank Kermanshah Mahidasht Agricultural Industrial Complex (Nazgol Oil Factory, Kermanshah, Iran) for giving us the soap stock.
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Research ethics: Not applicable.
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Author contributions: This work was carried out in collaboration between all authors. Mohammad Mehdi Nourouzpour gathered the initial data, managed the literature searches, and wrote the initial manuscript. Alireza Habibi anchored the field study, interpreted the data, and revised the manuscript, and Fariba Amiri helped to gather and analyze the data.
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Competing interests: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: The raw data can be obtained on request from the corresponding author.
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© 2024 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Numerical investigation of liquid mass fraction and condensation shock of wet-steam flow through convergence-divergence nozzle using strategic water droplets injection
- Energy, exergy, economic, and environmental analysis of natural gas sweetening process using lean vapor compression: a comparison study
- Enhancing heat transfer in tube heat exchanger containing water/Cu nanofluid by using turbulator
- Development of a superstructure optimization framework with heat integration for the production of biodiesel
- Smith predictor based fractional order controller design for improved performance and robustness of unstable FOPTD processes
- Kinetic studies and dynamic modeling of sophorolipids production by Candida catenulata using different carbon sources
- Modeling of reaction–desorption process by core–shell particles dispersed in continuously stirred tank reactor (CSTR)
- Mathematical modeling and evaluation of permeation and membrane separation performance for Fischer–Tropsch products in a hydrophilic membrane reactor
- Hydrodynamic simulation-informed compartment modelling of an annular centrifugal contactor
- Short Communication
- Simulation of single-effect and triple-effect evaporator for fruit juice concentration using Aspen HYSYS
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Numerical investigation of liquid mass fraction and condensation shock of wet-steam flow through convergence-divergence nozzle using strategic water droplets injection
- Energy, exergy, economic, and environmental analysis of natural gas sweetening process using lean vapor compression: a comparison study
- Enhancing heat transfer in tube heat exchanger containing water/Cu nanofluid by using turbulator
- Development of a superstructure optimization framework with heat integration for the production of biodiesel
- Smith predictor based fractional order controller design for improved performance and robustness of unstable FOPTD processes
- Kinetic studies and dynamic modeling of sophorolipids production by Candida catenulata using different carbon sources
- Modeling of reaction–desorption process by core–shell particles dispersed in continuously stirred tank reactor (CSTR)
- Mathematical modeling and evaluation of permeation and membrane separation performance for Fischer–Tropsch products in a hydrophilic membrane reactor
- Hydrodynamic simulation-informed compartment modelling of an annular centrifugal contactor
- Short Communication
- Simulation of single-effect and triple-effect evaporator for fruit juice concentration using Aspen HYSYS